The hotel is 'famous as' the place where the treaty was signed.
a 'famous' entertainer/explorer/athlete/politician
The hotel is (justly) 'famous for' its luxury.
(..) Now take this money and get the hell outta here. Don't let me see your face till next month... 'cause something tells me I'm about to lose my famous kind streak. My parents... died... in a car accident four weeks ago. It was terrible. (..)1994 Léon: The Professional